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Re: [bfcpbis] Benjamin Kaduk's Discuss on draft-ietf-bfcpbis-rfc4583bis-26: (with DISCUSS and COMMENT)

Christer Holmberg <christer.holmberg@ericsson.com> Thu, 25 October 2018 11:30 UTC

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From: Christer Holmberg <christer.holmberg@ericsson.com>
To: Benjamin Kaduk <kaduk@mit.edu>, Adam Roach <adam@nostrum.com>
CC: The IESG <iesg@ietf.org>, "bfcpbis@ietf.org" <bfcpbis@ietf.org>, "mary.ietf.barnes@gmail.com" <mary.ietf.barnes@gmail.com>, "draft-ietf-bfcpbis-rfc4583bis@ietf.org" <draft-ietf-bfcpbis-rfc4583bis@ietf.org>, "bfcpbis-chairs@ietf.org" <bfcpbis-chairs@ietf.org>
Thread-Topic: Benjamin Kaduk's Discuss on draft-ietf-bfcpbis-rfc4583bis-26: (with DISCUSS and COMMENT)
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Date: Thu, 25 Oct 2018 11:30:49 +0000
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Subject: Re: [bfcpbis] Benjamin Kaduk's Discuss on draft-ietf-bfcpbis-rfc4583bis-26: (with DISCUSS and COMMENT)
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Hi,

    >> > ----------------------------------------------------------------------
    >> > DISCUSS:
    >> > ----------------------------------------------------------------------
    >> >
    >> > I will go ahead and say that we should discuss the "UDP/TLS/BFCP" naming.
    >> > In particular, while I see the previous discussion that there may be
    >> > existing deployments out there, why can we not give it the same treatment
    >> > as "mstrm", and make the official name "UDP/DTLS/BFCP" while documenting
    >> > that you should accept the old name?
    >> 
    >> 
    >> That would cause unrecoverable errors when a new client sends an offer 
    >> to a legacy client. That's a pretty bad backwards-compatibility story. I 
    >> get why the current value is ugly, but I don't think making new clients 
    >> fail to talk to old ones is a fair price for aesthetic adjustments.
    >
    >I'm not 100% sure I understand the "unrecoverable" nature -- would this
    >cause the entire m= section to be ignored, or the negotiation to fail
    >completely?
    
    It would at least cause the m= section to be rejected.

    Whether the whole session negotiation will fail depends on whether the answerer wants to continue the session without BFCP or not.

Regards,

Christer

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